#include  <stdio.h>

int fun(char  *s, char  *t)

{ int  n=0;

  while(*s)

  { if(*s < 97) {

/**********found**********/

     *(t+n)= *s ;  n++;  }

/**********found**********/

     s++ ;

  }

  *(t+n)=0;

/**********found**********/

  return  n ;

}

main()

{ char  s[81],t[81];    int  n;

  printf("\nEnter a string:\n");  gets(s);

  n=fun(s,t);

  printf("\nThere are %d letter which ASCII code is less than 97: %s\n",n,t);

  getchar();

}

